Rael spent
13 of his allowance on a glowstick. He spent
13 of the remaining allowance on a game card.
- What fraction of his allowance was left?
- If he had left $40, how much allowance did Rael have at first?
(a)
Fraction of allowance left after spending on a glowstick
= 1 -
13=
23Fraction of remaining allowance left
= 1 -
13=
23Fraction of his allowance left
=
23 x
23=
49(b)
Amount that Rael had at first = 9 u
Amount that Rael had left = 4 u
4 u = 40
1 u = 40 ÷ 4 = 10
Total amount that Rael had at first
= 9 u
= 9 x 10
= $90
Answer(s): (a)
49; (b) $90